﻿<p>This enumeration type defines if the local object coordinate system or the global world coordinate system for the project is used to describe the measure values of entities which have a reference to this type.</p>

<blockquote class="note">
NOTE&nbsp; The world coordinate system is given by the <em>IfcGeometricRepresentationContext.WorldCoordinateSystem</em>
and is unique within the project. The local (or object) coordinate system is given by<em> IfcProduct.ObjectPlacement</em> and is used by all <em>IfcRepresentation</em>'s within the <em>IfcProduct.Representation</em>.</small></p>
</blockquote>

<blockquote class="history">
HISTORY&nbsp; New enumeration in IFC2x2.
</blockquote>